AirHint found the following cheapest return flights from Atlanta (ATL) to Frankfurt (FRA) in December 2025 (see full year).

Return flights

10 Dec - 15 Dec	Frontier Airlines
11 Dec - 15 Dec	Spirit Airlines
01 Dec - 09 Dec	WestJet
01 Dec - 09 Dec	Air France	direct
23 Dec - 30 Dec	United	direct
09 Dec - 30 Dec	Lufthansa	direct
13 Dec - 05 Jan	Condor
12 Dec - 26 Dec	Lufthansa	direct
14 Dec - 21 Dec	Lufthansa	direct
10 Dec - 15 Dec	Air France	direct
11 Dec - 15 Dec	Lufthansa	direct
12 Dec - 04 Jan	Lufthansa	direct
13 Dec - 04 Jan	Lufthansa	direct
13 Dec - 05 Jan	United	direct
20 Dec - 06 Jan	Lufthansa
20 Dec - 06 Jan	Lufthansa	direct
20 Dec - 03 Jan	Condor
21 Dec - 02 Jan	Lufthansa	direct
20 Dec - 03 Jan	Lufthansa	direct
19 Dec - 02 Jan	Delta	direct

Also check the deals for one-way flights from Atlanta to Frankfurt in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Atlanta to Frankfurt in December from 555€

Return flights